@import url(https://fonts.googleapis.com/css?family=Source+Sans+Pro:200,300);

$prim: #53e3a6;

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;

  font-weight: 300;
}

.wrapper {
  background: #50a3a2;
  background: -webkit-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
  background: -moz-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
  background: -o-linear-gradient(top left, #50a3a2 0%, #53e3a6 100%);
  background: linear-gradient(to bottom right, #50a3a2 0%, #53e3a6 100%);

  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: 'Source Sans Pro', sans-serif;
  color: white;
  font-weight: 300;
  overflow: hidden;

  form {
    padding: 20px 0;
    position: relative;
    z-index: 2;

    ::-webkit-input-placeholder { /* WebKit browsers */
      font-family: 'Source Sans Pro', sans-serif;
      color: white;
      font-weight: 300;
    }

    :-moz-placeholder { /* Mozilla Firefox 4 to 18 */
      font-family: 'Source Sans Pro', sans-serif;
      color: white;
      opacity: 1;
      font-weight: 300;
    }

    ::-moz-placeholder { /* Mozilla Firefox 19+ */
      font-family: 'Source Sans Pro', sans-serif;
      color: white;
      opacity: 1;
      font-weight: 300;
    }

    :-ms-input-placeholder { /* Internet Explorer 10+ */
      font-family: 'Source Sans Pro', sans-serif;
      color: white;
      font-weight: 300;
    }

    input {
      display: block;
      appearance: none;
      outline: 0;
      border: 1px solid rgba(255, 255, 255, 0.4);
      background-color: rgba(255, 255, 255, 0.4);
      width: 250px;

      border-radius: 3px;
      padding: 10px 15px;
      margin: 0 auto 10px auto;
      text-align: center;
      font-size: 18px;

      color: white;

      transition-duration: 0.25s;
      font-weight: 300;

      &:hover {
        background-color: rgba(255, 255, 255, 0.4);
      }

      &:focus {
        background-color: white;
        width: 300px;

        color: $prim;
      }
    }

    button {
      appearance: none;
      outline: 0;
      background-color: white;
      border: 0;
      padding: 10px 15px;
      color: $prim;
      border-radius: 3px;
      width: 250px;
      cursor: pointer;
      font-size: 18px;
      transition-duration: 0.25s;

      &:hover {
        background-color: rgb(245, 247, 249);
      }
    }
  }
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 80px 0;
  height: 400px;
  text-align: center;

  h1 {
    font-size: 40px;
    transition-duration: 1s;
    transition-timing-function: ease-in-out;
    font-weight: 200;
  }
}

.bgBubbles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;

  z-index: 1;

  li {
    position: absolute;
    list-style: none;
    display: block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
    bottom: -160px;

    animation: square 30s infinite;
    transition-timing-function: linear;

    &:nth-child(1) {
      left: 10%;
    }

    &:nth-child(2) {
      left: 20%;

      width: 80px;
      height: 80px;

      animation-delay: 2s;
      animation-duration: 17s;
    }

    &:nth-child(3) {
      left: 25%;
      animation-delay: 4s;
    }

    &:nth-child(4) {
      left: 40%;
      width: 60px;
      height: 60px;
      animation-duration: 22s;
      background-color: rgba(255, 255, 255, 0.25);
    }

    &:nth-child(5) {
      left: 70%;
    }

    &:nth-child(6) {
      left: 80%;
      width: 120px;
      height: 120px;

      animation-delay: 3s;
      background-color: rgba(255, 255, 255, 0.2);
    }

    &:nth-child(7) {
      left: 32%;
      width: 160px;
      height: 160px;

      animation-delay: 7s;
    }

    &:nth-child(8) {
      left: 55%;
      width: 20px;
      height: 20px;

      animation-delay: 15s;
      animation-duration: 40s;
    }

    &:nth-child(9) {
      left: 25%;
      width: 10px;
      height: 10px;

      animation-delay: 2s;
      animation-duration: 40s;
      background-color: rgba(255, 255, 255, 0.3);
    }

    &:nth-child(10) {
      left: 90%;
      width: 160px;
      height: 160px;

      animation-delay: 11s;
    }
  }
}

.formSuccess {
  .container {
    h1 {
      transform: translateY(85px);
    }
  }

  form {
    display: none;
  }
}

@keyframes square {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(-150vh) rotate(600deg);
  }
}
